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951 Engine Rebuild question
Hello All,
Does anyone know of a shop that can do the rebuild in California? Car is currently in the San Francisco Bay Area but I do travel to Southern California at least twice a month and can bring it down to the LA area if needed. Whats an average fair cost to do the rebuild? Another option is to search for a complete engine. Not sure which would be the best option. 1986 951 all stock 170,000 miles Found a small pool of gray oil in one of the cylinder head. Chambers inside the intake manifold are black and a bit oily. Car turns over but no throttle response and no smoke from exhaust. Thanks in advance for any advice. |
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12-07-2016, 05:09 PM
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Join Date: Sep 2008
Location: Atlanta area
Posts: 445
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I am NOT a mechanic, but do stay at Holiday Inn Express on occasion! That being said.........
I'm not clear if the engine starts and runs, if it does, it's quite possible you don't need a complete rebuild. Get someone to do a leakdown test first. You may just need to have the head refreshed. Assuming you meant the pool of oil is on one of the piston heads, it could be a leaky valve seal or head gasket or both. Has the turbo ever been rebuilt, that could cause the oil/soot in the intake. My car only has ~120K on it, but after I did the head and turbo rebuild, she runs like NEW.
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Bruce P. 2011 Cayman Base, LSD, Sport Chrono. 1988 951 totaled and missed  "You're the best I ever had" --JJ Cale |
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12-08-2016, 11:54 AM
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Join Date: Feb 2003
Location: SF East Bay
Posts: 1,856
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At least do compression and leakdown test to establish state of innards. Worn turbo can leak lots of oil. And intake leaks can cause poor throttle response.
There's a 951 engine for sale somewhere for $1200. If you get it, might as well rebuild it. With the age if these cars, any used motor should be rebuilt anyway, just for the seals alone. Last edited by DannoXYZ; 12-09-2016 at 12:01 AM.. |
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12-08-2016, 11:58 PM
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Ga 951 and DannoXYZ, thanks for the info. I will do the compression test this weekend.
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12-09-2016, 07:23 AM
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Hi,
Just bought a 951. I am going to use Comeau Racing in San Diego for my engine overhaul. /Peter |
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12-23-2016, 11:23 PM
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Join Date: Jul 2014
Posts: 405
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Second to Comeau Racing.
Tim is a racer and has been servicing the 944/924 matrix exclusively for years. Comeau Racing Enterprises – Your 944’s Best Friend in San Diego! https://www.facebook.com/Comeau-Racing-Enterprises-CRE-1513071998987188/ |
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12-24-2016, 06:45 AM
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Thank you for the suggesting Comeau Racing in San Diego. Does anyone know of a similar place in the San Francisco Bay Area?
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12-27-2016, 07:55 AM
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Join Date: Mar 2008
Location: Nashville, TN
Posts: 4,047
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170k miles isn't a big deal on the 944 engine.
Might be time for a head gasket/head rebuild along with turbo seals as suggested previously, though. |
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01-02-2017, 07:57 AM
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Join Date: Feb 2003
Location: SF East Bay
Posts: 1,856
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Is Tim of Fast Lane in Santa Cruz still around?
EDIT: Found info - Fast Lane Porsche Repair Tim did a emergency radiator repair for me while he still worked at My Porsche-Audi in Monterey. Was able to get back to Laguna Seca overnight. 
Last edited by DannoXYZ; 01-22-2017 at 01:08 PM.. |
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01-21-2017, 12:24 AM
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